2807728

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 80

約数和(自身を含む): 7070976

約数和(自身を除く): 4263248

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 53, 56, 77, 86, 88, 106, 112, 154, 172, 176, 212, 301, 308, 344, 371, 424, 473, 583, 602, 616, 688, 742, 848, 946, 1166, 1204, 1232, 1484, 1892, 2279, 2332, 2408, 2968, 3311, 3784, 4081, 4558, 4664, 4816, 5936, 6622, 7568, 8162, 9116, 9328, 13244, 15953, 16324, 18232, 25069, 26488, 31906, 32648, 36464, 50138, 52976, 63812, 65296, 100276, 127624, 175483, 200552, 255248, 350966, 401104, 701932, 1403864, 2807728]

約数ペア:

[(1, 2807728), (2, 1403864), (4, 701932), (7, 401104), (8, 350966), (11, 255248), (14, 200552), (16, 175483), (22, 127624), (28, 100276), (43, 65296), (44, 63812), (53, 52976), (56, 50138), (77, 36464), (86, 32648), (88, 31906), (106, 26488), (112, 25069), (154, 18232), (172, 16324), (176, 15953), (212, 13244), (301, 9328), (308, 9116), (344, 8162), (371, 7568), (424, 6622), (473, 5936), (583, 4816), (602, 4664), (616, 4558), (688, 4081), (742, 3784), (848, 3311), (946, 2968), (1166, 2408), (1204, 2332), (1232, 2279), (1484, 1892)]